Public contracts of Grand Paris Sud Est Avenir · 2025

Assistance technique pour la réalisation des études et le suivi des travaux dans le cadre d’opérations d’assainissement sur le territoire de Gpsea

€4M

framework agreement: a maximum envelope for orders over 4 years, not spending — what was paid on it is not published

Signed on 17 July 2025 · running until about July 2029 · 4 yrs

Ongoing17 Jul 2029

That is at most ~€1M a year on average: a maximum too.

Who won it

Cabinet d'Études Marc MerlinIngénierie, études techniques · registered office Lyon (69002) · headcount 250 to 499 employees · SIREN 428634356

A contract awarded to a consortium of 2 holders; above, the main holder. With it: Consultants Canalisat Sans Tranchee. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

11 bids received

Median for this procedure in 2025: 3 bids, across 17964 comparable contracts. Open tender · awarded to 2 companies

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 3 by amount of the 55 contracts Grand Paris Sud Est Avenir published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Framework agreement : yes: orders follow, the amount is a ceiling

Price : Unitaire

Published amendments : none

Subcontracting declared : no

Environmental considerations : Critère environnemental

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.